Dalapon
Western Hills Water System
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
18
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 5 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 5 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EPA Maximum Contaminant
Level (MCL): 200 ppb
The legal limit for dalapon, established in 1992, was based on a toxicity study in laboratory animals published in 1960.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-09-18 | AE40838 | ND |
| 2018-09-18 | AE40714 | ND |
| 2019-06-17 | AE71073 | ND |
| 2019-06-17 | AE71195 | ND |
| 2020-06-15 | AF15204 | ND |
| 2020-06-15 | AF15249 | ND |
| 2020-06-15 | AF15250 | ND |
| 2020-06-15 | AF15251 | ND |
| 2020-06-15 | AF15252 | ND |
| 2021-08-03 | AF64441 | ND |
| 2021-08-03 | AF64550 | ND |
| 2022-06-07 | AF99864 | ND |
| 2022-10-04 | AG15960 | ND |
| 2023-07-12 | AG48151 | ND |
| 2023-07-12 | AG48286 | ND |
| 2023-07-12 | AG48287 | ND |
| 2023-07-12 | AG48288 | ND |
| 2023-07-12 | AG48289 | ND |